package com.huluobo.a2211mdmdemo

import androidx.compose.foundation.ExperimentalFoundationApi
import androidx.compose.foundation.background
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.offset
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.pager.HorizontalPager
import androidx.compose.foundation.pager.rememberPagerState
import androidx.compose.foundation.shape.CircleShape
import androidx.compose.material3.AlertDialog
import androidx.compose.material3.Button
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.unit.dp
import coil.compose.AsyncImage

/**
 *  Created by LC on 2025/4/22.
 */

@OptIn(ExperimentalFoundationApi::class)
@Composable
fun demo03() {
    //保存轮播图页面的状态
    val pageState = rememberPagerState {
        5
    }

    var isShow by remember {
        mutableStateOf(false)
    }

    val list = listOf(
        "https://img2.baidu.com/it/u=1134184213,2435039814&fm=253&fmt=auto?w=1062&h=800",
        "https://img1.baidu.com/it/u=2693733305,4035903587&fm=253&app=138&size=w931&n=0&f=JPEG&fmt=auto?sec=1729184400&t=92694ac7a4bb0b4a405af0e28c18cd82",
        "https://img0.baidu.com/it/u=540669065,2162680038&fm=253&app=120&size=w931&n=0&f=JPEG&fmt=auto?sec=1729184400&t=3adc1ec41d0f0d8ac469eb88eb19c531",
        "https://img2.baidu.com/it/u=553712968,3437602612&fm=253&app=120&size=w931&n=0&f=JPEG&fmt=auto?sec=1729184400&t=280fc51f8b1c0619aedbe9c1d5ce9895",
        "https://img0.baidu.com/it/u=1677400077,1401427640&fm=253&fmt=auto?w=679&h=1216"
    )

    Column(modifier = Modifier.fillMaxSize()) {
        HorizontalPager(state = pageState, modifier = Modifier.height(250.dp), verticalAlignment = Alignment.Top) {
            AsyncImage(
                model = list[it],
                contentDescription = "",
                modifier = Modifier.height(250.dp),
                contentScale = ContentScale.Crop
            )
        }

        Row(
            horizontalArrangement = Arrangement.Center, modifier = Modifier
                .fillMaxWidth()
                .offset(y = (-40).dp)
        ) {
            repeat(pageState.pageCount) {
                val color = if (pageState.currentPage == it) Color.DarkGray else Color.LightGray
                Box(
                    modifier = Modifier
                        .size(16.dp)
                        .padding(3.dp)
                        .clip(CircleShape)
                        .background(color = color)
                )
            }
        }

        Button(onClick = {
            isShow = true
        }) {
            Text(text = "弹窗")
        }
    }

    //通过true或者false来判断是否展示这个布局
    if (isShow) {
        AlertDialog(
            //单击弹窗外的范围时
            onDismissRequest = {
                isShow = false
            }, confirmButton = {
                Text(text = "确定", Modifier.clickable {
                    isShow = false
                })
            }, dismissButton = {
                Text(text = "取消", Modifier.clickable {
                    isShow = false
                })
            }, title = {
                Text(text = "弹窗标题")
            }, text = {
                //弹窗内容,相当于之前message部分
                Text(text = "弹窗内容")
            })
    }
}